*{
    font-family:STKaiti ;
    margin: 0;
    padding: 0;
}

body{
    background-color: #FFDEE9;
background-image: linear-gradient(0deg, #FFDEE9 0%, #B5FFFC 100%);

}

.header{
    width: 500px;
    height: 50px;
    color: #000;
    margin: 0 auto;
    border: 1px solid #000;
    font-size: 48px;
    font-weight: bold;
    margin-top: 100px;
    border-radius: 40px;
    border: none;
    
}

.header>span{
    color: rgb(180, 121, 43);
}

.cell_all{
    width: 500px;
    height: 500px;
    border: 1px solid #bbada0;
    margin: 0 auto;
    background-color: #85FFBD;
    background-image: linear-gradient(320deg, #85FFBD 32%, #FFFB7D 100%);    
    border-radius: 20px;
}

.cell{
    width: 100px;
    height: 110px;
    border: 1px solid #000;
    opacity: 0.95;
    float: left;
    border-radius: 40px;
    margin-left: 12px;
    margin-top: 12px;
    font-size: 35px;
    font-weight: bold;
    line-height: 110px;
    text-align: center;
    color: #fff;
    border: none;
}

.n2{
    background-color: #FFDEE9;
    background-image: linear-gradient(0deg, #FFDEE9 0%, #B5FFFC 100%);
    
}
.n4{
    background-color: #FAACA8;
    background-image: linear-gradient(19deg, #FAACA8 0%, #DDD6F3 100%);
    
}
.n8{
    background-color: #FBDA61;
    background-image: linear-gradient(45deg, #FBDA61 0%, #FF5ACD 100%);
    
}
.n16{
    background-color: #FBAB7E;
    background-image: linear-gradient(62deg, #FBAB7E 0%, #F7CE68 100%);
    
}
.n32{
 
    background-color: #cd6254;
    background-image: linear-gradient(90deg, #cd6254 0%, #c5415c 55%, #FF99AC 100%);
    
}
.n64{
    background-color: #3b6fff;
    background-image: linear-gradient(147deg, #FFE53B 0%, #FF2525 74%);
    
    
}
.n128{
    background-color: #42200c;
    background-image: linear-gradient(62deg, #aa5b2d 0%, #381ae2 100%);
    
}
.n256{
    background-color: #460a94;
    background-image: linear-gradient(62deg, #aa5b2d 0%, #F7CE68 100%);
    
}
.n512{
    background-color: #e61085;
    background-image: linear-gradient(180deg, #FFFFFF 0%, #6284FF 50%, #FF0000 100%);
    
}
.n1024{
    font-size:40px;
    background-color:#33b5e5;
}
.n2048{
    font-size:40px
    background-color #09c;
}
.n4096{
    background-color:#a6c;
    font-size:40px;
}
.n8192{
    background-color:#93c;
    font-size:40px;
}

.gameover{
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.3);
    display: none;
}

.gameover>p{
    width: 300px;
    height: 200px;
    background-color: #FFFFFF;
    border: 1px solid #000;
    border-radius: 15px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-top:-100px ;
    margin-left: -150px;
    font-size: 30px;
    font-weight: bold;
    text-align: center;
    line-height: 66px;
}

.gameover_p>span{
    color: antiquewhite;
    font-size: 40px;
}

.gameover_p>a{
    text-decoration: none;
    background-color: blueviolet;
    border-radius: 10px;
    color: #fff;
    padding: 8px 8px 4px;
}


